You've seen the pink skulls all around, now get your own pack of the "Smetty" skull stickers. 
Decorate anything you want with them!
Includes 
2 Large 8x8 inch stickers
10 small 4x4 inch stickers
I usually toss a couple of others in there as well.
 
IMPORTANT NOTICE- These stickers are very permanent. Please be mindful where you stick them.